With this application below you can actually play all Java games on your PC/laptop.
Just click on the application, by the time you might have downloaded it, (it is in .jad format) it'll prompt for a download of another file, after that, you can then open the application and then use it to play java games and even download jave games from it and play them on your pc. Enjoy

Here is a link to download the file (just 1 kb)
http://rapidshare.com/files/175764917/UTF-8__mplyer_www.dl4all.com.rar